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Finding the Fourth Proportional to 644,539,797.72, 966,121,361.69 and 367,594,681.68

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Solution

The fourth proportional to 644,539,797.72, 966,121,361.69 and 367,594,681.68 is: 550,999,450.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,539,797.72 : 966,121,361.69 = 367,594,681.68 : x
  2. Step 2: Convert to fraction form
    644,539,797.72/966,121,361.69 = 367,594,681.68/x
  3. Step 3: Cross multiply
    644,539,797.72x = 966,121,361.69 × 367,594,681.68
  4. Step 4: Simplify right side
    644,539,797.72x = 355,141,074,416,180,032
  5. Step 5: Solve for x
    x = 355,141,074,416,180,032/644,539,797.72
  6. Step 6: Final answer
    x = 550,999,450.57

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